40817 | 50 AquaChek TruTest digital test strips (50’s)

Analytical Strips.
TruTest Digital Test Strip Reader.
Digital Test Strip Reader for measuring free chlorine/bromine, pH and total alkalinity that combines the simplicity and accuracy of test strips with advanced digital technology.
Ideal for daily water testing of all types of residential pools and spas.
Simply dip a test strip into the pool or spa, insert it into the reader and you'll get fast, accurate digital results in seconds!
Directions for use: Place the tip of the test strip all the way to the bottom of the channel, leaving it flat with the cushioned side down. Do not slide the test strip across the glass.